The Department of Environmental Affairs does not undertake research in order to set sustainable quotas for sharks but does undertake some research on specific aspects of shark ecology which includes tagging sharks to describe the extent of the distribution ranges.
The estimated annual catches of these species as documented by research of the Department of Agriculture, Forestry and Fisheries are given as: Blacktip 1-10 tons, Dusky 11-100 tons, Bronze Whaler 101-200 tons. The sum of the upper ranges of these estimates is 310 tons, short of 500 tons. The setting of fishing quotas is the function of the Department of Agriculture, Forestry and Fisheries which undertakes research in support of shark fishery management.
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